General

  • Target

    756a7e1832c700d5595c84d34de092b9208cf6467b17f9601fee1f5c0e4c65ca

  • Size

    679KB

  • Sample

    230323-zer4bsca3z

  • MD5

    b2992f6c1ab1b334a9a4892aca95de66

  • SHA1

    0d8dcada5a711a364a8c629d122e355c2c2fae46

  • SHA256

    756a7e1832c700d5595c84d34de092b9208cf6467b17f9601fee1f5c0e4c65ca

  • SHA512

    087f5425afb7964dbeead4e71c5f2af4cad3a63bfbe7f8423468eb77a32e48c3c12e5302779c0f8c3dccbebe8ebb94846ac206df909dabeeb04e18296c4097e4

  • SSDEEP

    12288:YGHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:P/HeDoTKwC2r8mldwGWkCoevSY+A

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      756a7e1832c700d5595c84d34de092b9208cf6467b17f9601fee1f5c0e4c65ca

    • Size

      679KB

    • MD5

      b2992f6c1ab1b334a9a4892aca95de66

    • SHA1

      0d8dcada5a711a364a8c629d122e355c2c2fae46

    • SHA256

      756a7e1832c700d5595c84d34de092b9208cf6467b17f9601fee1f5c0e4c65ca

    • SHA512

      087f5425afb7964dbeead4e71c5f2af4cad3a63bfbe7f8423468eb77a32e48c3c12e5302779c0f8c3dccbebe8ebb94846ac206df909dabeeb04e18296c4097e4

    • SSDEEP

      12288:YGHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:P/HeDoTKwC2r8mldwGWkCoevSY+A

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks